64317430 has 16 divisors (see below), whose sum is σ = 120805344. Its totient is φ = 24608320.

The previous prime is 64317419. The next prime is 64317469. The reversal of 64317430 is 3471346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139591 + ... + 140050.

It is an arithmetic number, because the mean of its divisors is an integer number (7550334).

Almost surely, 2^64317430 is an apocalyptic number.

64317430 is a deficient number, since it is larger than the sum of its proper divisors (56487914).

64317430 is a wasteful number, since it uses less digits than its factorization.

64317430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279671.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64317430 is about 8019.8148357677. The cubic root of 64317430 is about 400.6602221672.

Adding to 64317430 its reverse (3471346), we get a palindrome (67788776).

It can be divided in two parts, 643174 and 30, that added together give a square (643204 = 802²).

The spelling of 64317430 in words is "sixty-four million, three hundred seventeen thousand, four hundred thirty".